BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 35 31.8%
2 China 19 17.3%
3 Netherlands 13 11.8%
4 Germany 10 9.1%
5 United Kingdom 7 6.4%
6 France 6 5.5%
7 Korea, Republic of 4 3.6%
8 Australia 3 2.7%
9 Israel 3 2.7%
10 Italy 2 1.8%
11 Singapore 2 1.8%
12 Thailand 2 1.8%
13 New Zealand 1 0.9%
14 Russia 1 0.9%
15 Serbia 1 0.9%
16 Japan 1 0.9%